Sonatæ unarum fidium: Sonata No. 2

Recording by Johann Heinrich Schmelzer.

Recording identifiers

ISRC
GBCJG1871801
CopyrightID (CopyrightChains transaction hash)
0xb88c95d548a897b8fda02cf5de9adc2c07c1c4f92c3a6cc7c4db061648e2594a
Copyright registration time
2026-06-27T10:03:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:084ed3123c4e9672096234f0d7044224951bdaf053c5775275e95522966b217c

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.